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Finding the Fourth Proportional to 635,258.92, 876,679.86 and 348,800.92

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Solution

The fourth proportional to 635,258.92, 876,679.86 and 348,800.92 is: 481,357.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,258.92 : 876,679.86 = 348,800.92 : x
  2. Step 2: Convert to fraction form
    635,258.92/876,679.86 = 348,800.92/x
  3. Step 3: Cross multiply
    635,258.92x = 876,679.86 × 348,800.92
  4. Step 4: Simplify right side
    635,258.92x = 305,786,741,713.47
  5. Step 5: Solve for x
    x = 305,786,741,713.47/635,258.92
  6. Step 6: Final answer
    x = 481,357.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.